The determination of the CL. (a) The cross-sectional image of SEM. (b) Panchromatic CL cross-sectional image of epitaxial layer grown by MOCVD-HVPE, the white lines noted by red arrow line are cracks. (a) and (b) were taken simultaneously. (c) The panchromatic CL image of the sample etched for 10 min.
Liu et al. Nanoscale Research Letters 2011 6:69 doi:10.1186/1556-276X-6-69